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. 2000 May 9;97(10):5095–5100. doi: 10.1073/pnas.97.10.5095

Figure 4.

Figure 4

Sequence of the polA gene from natural E. coli isolates. The sequence of both strands of the polA gene from nucleotide 2113 to 2642 encoding residues of motif A and the C terminus portion of DNA pol I was determined. The base change and position is shown for each isolate; nucleotides encoding motif A show no change. Position 2599 contains a cytosine in most isolates, and thus could represent the global WT polA sequence. An isolate from France has the identical nucleotide sequence as the K-12 strain.